Analysis Overview
SHA256
f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79
Threat Level: Known bad
The file f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79 was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Modifies data under HKEY_USERS
Modifies registry class
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-23 04:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-23 04:41
Reported
2024-05-23 04:44
Platform
win10v2004-20240426-en
Max time kernel
132s
Max time network
149s
Command Line
Signatures
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" | C:\Windows\System32\svchost.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ | C:\Windows\Explorer.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3576 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3576 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3576 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3576 wrote to memory of 648 | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | C:\Windows\SysWOW64\winver.exe |
| PID 648 wrote to memory of 3500 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 3576 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe
"C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 648 -ip 648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3576 -ip 3576
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 728
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 88.221.83.234:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| BE | 88.221.83.234:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/3576-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp
memory/3576-2-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/3500-4-0x0000000000AF0000-0x0000000000AF6000-memory.dmp
memory/3500-5-0x0000000000AF0000-0x0000000000AF6000-memory.dmp
memory/3576-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3500-10-0x0000000000B00000-0x0000000000B06000-memory.dmp
memory/3576-13-0x00000000046A0000-0x0000000004CF8000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-23 04:41
Reported
2024-05-23 04:44
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\3C0D0159 = "C:\\Users\\Admin\\AppData\\Roaming\\3C0D0159\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe
"C:\Users\Admin\AppData\Local\Temp\f089ac11012192e3ab1f9a62024c4411482342d9e92a15b1eca0b1c2aaaafc79.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 216.218.185.162:80 | elitiorecfreetoo.cc | tcp |
Files
memory/1188-1-0x0000000002620000-0x0000000002626000-memory.dmp
memory/1188-6-0x0000000002620000-0x0000000002626000-memory.dmp
memory/2648-4-0x00000000000B0000-0x00000000000B6000-memory.dmp
memory/1188-3-0x0000000002620000-0x0000000002626000-memory.dmp
memory/2984-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1188-17-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/2648-20-0x00000000001F0000-0x00000000001F6000-memory.dmp
memory/1156-14-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/1104-11-0x0000000000410000-0x0000000000416000-memory.dmp
memory/1156-23-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/1188-22-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/1104-21-0x0000000000410000-0x0000000000416000-memory.dmp
memory/2648-25-0x00000000001F0000-0x00000000001F6000-memory.dmp